Amazon.com is rumored to have a video streaming service in the works. Nothing has been officially announced yet and details are sparse, but the online retail giant would be perfectly positioned to roll out such a service and give Netflix some competition.The new service would be an extension of the Prime membership, an $80/year subscription that offers shipping perks such as free 2 day shipping and $4 per item overnight options. The streaming service would offer 5000 titles commercial free at 480p resolution.